I was going to start a new thread on this very subject. I recently bought a 1983 300TD and I am trying to become more familar with this leveling system. I was wondering, once the rear end is load with extra weight, how fast should the back end come back up to level? The ride doesn't seem to be bouncy or hard. I recently bought a new T.V. and it ways 103 lbs. When I loaded it into the wagon the back end of course sagged a little bit, but I didn't really see it go back up. Of course the engine was only at idle speed.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member